# b015692.txt - Table of n, a(n) for n=0..2000 - Ray Chandler, Apr 05 2017 0 1 1 0 2 0 3 -1 4 0 5 0 6 0 7 0 8 0 9 1 10 0 11 0 12 -1 13 0 14 0 15 0 16 0 17 0 18 1 19 0 20 0 21 -1 22 0 23 0 24 0 25 0 26 0 27 1 28 0 29 0 30 -1 31 0 32 0 33 1 34 0 35 0 36 0 37 0 38 0 39 -1 40 0 41 0 42 1 43 0 44 0 45 0 46 0 47 0 48 -1 49 0 50 0 51 2 52 0 53 0 54 -1 55 0 56 0 57 -1 58 0 59 0 60 2 61 0 62 0 63 -1 64 0 65 0 66 0 67 0 68 0 69 1 70 0 71 0 72 -1 73 0 74 0 75 0 76 0 77 0 78 1 79 0 80 0 81 -1 82 0 83 0 84 1 85 0 86 0 87 0 88 0 89 0 90 -1 91 0 92 0 93 1 94 0 95 0 96 0 97 0 98 0 99 -1 100 0 101 0 102 2 103 0 104 0 105 -1 106 0 107 0 108 -1 109 0 110 0 111 2 112 0 113 0 114 -1 115 0 116 0 117 0 118 0 119 0 120 1 121 0 122 0 123 -1 124 0 125 0 126 0 127 0 128 0 129 1 130 0 131 0 132 -1 133 0 134 0 135 1 136 0 137 0 138 0 139 0 140 0 141 -1 142 0 143 0 144 1 145 0 146 0 147 0 148 0 149 0 150 -1 151 0 152 0 153 1 154 0 155 0 156 0 157 0 158 0 159 -1 160 0 161 0 162 1 163 0 164 0 165 0 166 0 167 0 168 0 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